431 results about "Linear motion" patented technology

The invention relates to a knitting machine and particularly relates to a controller for a yarn changer. The controller comprises a controller skeleton arranged on an outer plate of a yarn changer main body, a transfer bar, a digital circuit and a drive mechanism for driving the transfer bar to carry out linear motion, wherein the transfer bar is connected with the controller skeleton in a sliding manner; the transfer bar drives a yarn clamping and shearing device of the yarn changer to complete yarn selecting and yarn guiding actions while carrying out linear motion; the digital circuit and the drive mechanism are arranged on the controller skeleton separately; and the digital circuit is electrically connected with a drive mechanism. External drive is not needed, and the drive mechanism can be controlled to drive the transfer bar to carry out linear motion by virtue of the digital circuit, so that the transfer bar drives the yarn clamping and shearing device to complete the yarn selecting and yarn guiding actions, and independent control on yarn selecting and yarn guiding of the yarn changer is achieved; and the controller is small in impact vibration, high in applicability, stable in working, simple in structure and beneficial to improvement of the production stability of the knitting machine.

This application discloses a laser marking method, equipment, and storage medium for cylindrical workpieces, belonging to the field of laser marking technology. The method includes: acquiring the pattern to be marked and the radius parameters of the cylindrical workpiece; based on the radius parameters, equating the angular displacement of the rotation axis to a virtual linear motion axis; constructing a virtual planar coordinate system based on the virtual linear motion axis and the scanning axis of the galvanometer; mapping the pattern to be marked onto the virtual planar coordinate system; generating marking path instructions for controlling the galvanometer and rotation axis; and driving the galvanometer to perform linear scanning and the rotation axis to rotate according to the marking path instructions, so that the laser beam etches the pattern to be marked on the surface of the cylindrical workpiece. This application, through an algorithmic compensation mechanism for constructing the virtual planar coordinate system, ensures the integrity and positional accuracy of the marked pattern, thereby achieving a marking effect that meets the needs of batch processing on a low-cost hardware platform.

The utility model relates to motor production and processing technical field, especially a kind of shell cleaning device. Including base, cleaning mechanism, linear module and bearing mechanism;Cleaning mechanism is connected in base by linear module, and cleaning mechanism is used to clean shell;Linear module is used to drive cleaning mechanism linear motion and completely pass through shell, to clean shell comprehensively in this way;Bearing mechanism is connected on base and relative to the part of cleaning mechanism, and bearing mechanism is used to connect shell by the way of sleeve joint.The utility model can clean the inner and outer layers of shell simultaneously by the cooperation of cleaning mechanism and linear module, to remove the dirt on the inner and outer layers;By bearing mechanism, shell can be gradually separated from the cleaning mechanism under the promotion of cleaning progress, and the inner cleaning part of cleaning mechanism plays a connecting role on shell during the separation process, so that the stability of shell can be maintained, and the shell can be cleaned comprehensively.

The utility model provides a novel flow distribution and wear testing device, include: linear force motor (1), valve core (2), through rod (4), reflector disc (5), laser displacement sensor (8), through rod (4) is connected with linear force motor (1), is driven by linear force motor (1) and does linear motion, valve core (2) is set up on through rod (4), and through rod (4) end is provided with reflector disc (5), laser displacement sensor (8) is set up to reflector disc (5) and is consistent with reflector disc (5) height, is used for emitting laser to reflector disc (5), and obtains the displacement of valve core (2) according to the laser signal of reflection. Can improve the repeatability, stability, accuracy of hydraulic element performance detection, improve the detection efficiency.

This invention discloses a long bone fracture robot, relating to the field of medical robot technology. The robot includes an upper fixation ring, a lower fixation ring, and six sets of sliding components connected between them. These six sets of sliding components are spatially distributed and form a parallel mechanism. Each sliding component includes a lead screw assembly and a drive assembly. The lead screw assembly includes a lead screw and at least one U-shaped joint, with the U-shaped joint connecting the end of the lead screw to the corresponding fixation ring. The two rotation axes of the U-shaped joint maintain a non-compatibility distribution structure with a preset distance in space to increase the joint's swing angle range and improve multi-directional load-bearing capacity. The drive assembly converts the rotational motion of the motor into the linear motion of the lead screw through gear transmission, realizing the extension and retraction of the sliding components. This invention can avoid unusual configurations within a larger workspace, providing safer, more precise, and more efficient assistance in fracture reduction surgery.

This invention discloses an integrated CNC grinding and polishing device for profile surface processing, relating to the field of profile grinding. It primarily addresses the problem of converting the horizontal linear motion of a workpiece into a continuous attitude transition motion from horizontal to vertical, enabling continuous grinding of different angles and areas of the workpiece. This invention utilizes an automatic attitude transition component to convert the workpiece's horizontal movement within the grinding gap into a gradual approach towards a vertical position. During this attitude transition, the workpiece's position within the grinding gap is automatically and dynamically adjusted. Specifically, this involves converting horizontal linear displacement into deflection until the workpiece reaches the desired surface for processing. This process enables continuous grinding of profiles at different angles and in different areas, meeting the grinding requirements of irregularly shaped profiles and complex surfaces, and improving grinding adaptability.

The utility model discloses a chemical fiber combustion performance detection device utilizes sampling base, servo motor, sampling disc, sampling motor and sampling cylinder etc. parts, servo motor drives the rotation of the rotating lever and the rotation axis vertical setting, sampling cylinder drives sampling base along the guide rail horizontal motion, through the rotation and linear motion of the combination sampling disc, can make the molten drop drop can be evenly distributed on the sampling platform, can avoid molten drop overlap, can detect the quantity and every drop quality of molten drop, solve the defect of molten drop behavior detection deviation in the chemical fiber combustion performance detection device in the prior art, recess depth and sampling disc axis distance are positive correlation, make molten drop gradually slow down and stabilize when entering the recess, reduce the collision and overlap between molten drop, can ensure that every molten drop can independently distribute, and molten drop can evenly distribute on the sampling disc, avoid the molten drop quantity and quality detection deviation caused by overlap.

The utility model discloses a fixing clamp for silicon carbide crystal ingot plane grinding machining, and relates to the technical field of silicon carbide crystal machining. Comprising a supporting mechanism, a rotary adjusting mechanism and a plurality of clamping mechanisms. The supporting mechanism is used for supporting and positioning the silicon carbide crystal ingot, the rotary adjusting mechanism and the clamping mechanism; the rotary adjusting mechanism comprises a rotary table, an adjusting rod and a locking arm; the clamping mechanism comprises a self-adaptive adjusting clamping jaw, the clamping jaw is connected with a first linear bearing, the bottom of the first linear bearing is connected with a rubber-coated bearing, and the rubber-coated bearing is used for converting the rotating motion of the turntable into the linear motion of the clamping mechanism on the first guide shaft; according to the utility model, the relative distance of the clamping jaws is adjusted to adapt to different crystal ingot diameters, and meanwhile, the clamping jaws have the compression force of the springs, so that the crystal ingot can be clamped more firmly, the processing safety is improved, and the product damage rate is reduced.

The utility model discloses a kind of high-precision six-axis swing table module, including Y-axis structure, X-axis structure and Z-axis structure, the X-axis structure, Y-axis structure and Z-axis structure are respectively connected with first adjusting mechanism, the first adjusting mechanism is used to realize the linear motion of XYZ axis, the side of Z-axis structure is installed with Tz-axis structure, Ty-axis structure is installed on the Tz-axis structure, gripper structure is installed on the Ty-axis structure, Tx-axis structure is installed on the gripper structure, the Ty-axis structure and Tz-axis structure are respectively connected with second adjusting mechanism, the second adjusting mechanism is used to realize high-precision angle adjustment of Ty-axis and Tz-axis, the Tx-axis structure is connected with third adjusting mechanism, the third adjusting mechanism is used to realize high-precision angle adjustment of Tx-axis, the utility model solves the problem that lens LENS in traditional mobile phone module AA equipment only uses angle swing table to adjust angle to capture product, difficult to realize multi-axis linkage, precision is lower.

The application provides a fermentation mechanism with multi-layer tray fixation, relates to the fermentation technical field, and comprises a hydraulic damping and oil path locking system formed by the cooperation of a groove, a piston block and a push spring; and a linkage mechanism which converts linear motion of a tray into a hydraulic drive signal by the cooperation of a fixing frame, the tray, a moving wheel, a fixing wheel, a belt, a rotating shaft, an intermediate sleeve, an extension rod, an extension sleeve, a double pulley and a tension spring. The mechanism automatically limits the speed by the flow damping of hydraulic oil when the tray is pulled out, and the oil path is locked by the cooperation of the elastic sheet and the groove and the blocking of the intermediate groove by the sealing sleeve when fixation is needed, so that the dough displacement or falling caused by too fast pulling out of the tray is effectively avoided, and the stability and safety of the fermentation operation are significantly improved.

The utility model discloses a kind of elastic filament strength detection devices, belong to textile detection technical field, the elastic filament strength detection device, including sliding frame, the inside of sliding frame is fixedly connected with fixed block in one side position, the one side of fixed block is equipped with driving motor, the output end of driving motor is fixedly connected with screw rod, the outer wall of screw rod is slidably connected with sliding block, the top of fixed block and sliding block is equipped with clamping mechanism, and detection silk line is installed between two clamping mechanisms, the utility model is driven rotating gear plate by rotating motor through design clamping mechanism, convert into the linear motion of sliding rod by rotating motion, the accuracy of movement trajectory is ensured by the cooperation of guide groove and sliding rod, so that multiple clamping blocks can be synchronously and stably moved, realize the uniform clamping of silk line, staff only needs to insert the silk line needing detection into clamping mechanism interior, and it is simple to operate, and the complicated winding step is saved.

The utility model belongs to door lock spare technical field relates to a new hidden handle. The utility model, including the base, the base has the accommodation space inside, the accommodation space bottom is connected with the sliding slot, is equipped with the shift fork that can reciprocate linear motion along the horizontal direction in the accommodation space, the shift fork passes through the sliding slot and is slid with the sliding slot, be equipped with the rotatable hidden handle assembly in the base. The utility model in the using process, the hidden handle assembly is designed as rotatable storage structure, turns out operation when using, stores up in the accommodation space when idling, saves the space and promotes the overall appearance integrity and the degree of beauty, simultaneously, through reasonable mechanical structure design, guarantees the stability under handle rotation and storage state.

The application is suitable for the technical field of medical devices, and provides a bone fracture reduction device, which comprises a linear motion mechanism, a parallel mechanism and a fixing part. The parallel mechanism comprises a first motion assembly, a second motion assembly and a third motion assembly, and the first motion assembly, the second motion assembly and the third motion assembly are all installed on the linear motion mechanism. The fixing part is provided with a first connecting end, a second connecting end and a third connecting end. The first motion assembly is movably connected with the first connecting end, the second motion assembly is movably connected with the second connecting end, the third motion assembly comprises a first end and a second end, the first end is movably connected with the linear motion mechanism, and the second end is movably connected with the third connecting end. Through cooperation between the linear motion mechanism and the first motion assembly, the second motion assembly and the third motion assembly, the fixing part has three rotations, three movements and six degrees of freedom, so that the flexibility of the bone fracture reduction device is higher, and the treatment effect is better.

This invention discloses a swashplate-based lapping device for lapping a swashplate and a swashplate base. The bottom surface of the swashplate has a first arc-shaped curved surface, and the top surface of the swashplate base has a second arc-shaped curved surface that mates with the first arc-shaped curved surface. The device includes: a drive component for driving the swashplate to reciprocate on the swashplate base; a support assembly for supporting the drive component; and a base assembly for fixing the swashplate base. This invention ensures close contact between the swashplate and the swashplate base, resulting in more uniform pressure contact on the arc surface. It solves the problem of uneven force distribution and difficulty in ensuring contour accuracy caused by manual operation, greatly improving machining accuracy and efficiency. Furthermore, this structure converts rotary motion into reciprocating linear motion, making operation more convenient.

This utility model discloses a vacuum pump gap inspection fixture, specifically relating to the field of vacuum pump gap inspection technology. It includes a base mounted on top of a workbench, with support plates connected to the top and bottom of the base by screws. A linear motion assembly is located on the front side of the base for high-precision linear reciprocating motion. A clamping and measuring assembly is located at the bottom front of the base for non-destructive testing. The linear motion assembly includes a support, and the clamping and measuring assembly includes a crossbeam mounted on the front bottom of the support. Pressure blocks are located at both ends of the center of the front side of the crossbeam, and a fixing sleeve is fixed to the top of each pressure block. This utility model, through the combination of pneumatic drive and precision linear guide rails, achieves automated and smooth feeding and retraction of the fixture, replacing manual bolt tightening. This allows the clamping of the vacuum pump reference surface and the measurement of the gap by a dial indicator to be completed simultaneously, greatly improving inspection efficiency and consistency. Furthermore, the pneumatic flexible clamping avoids component damage and extends service life.

This utility model discloses a rotatable manipulator suitable for steel material handling and loading, belonging to the field of steel gripping technology. It includes a first linear motion mechanism, a rotating mechanism, a second linear motion mechanism, a slewing mechanism, and a steel gripper. The first steel gripper is connected to the slewing mechanism, driving it to rotate for fine angle adjustment. The second linear motion mechanism is connected to the slewing mechanism, driving it to move linearly. The rotating mechanism is connected to the second linear motion mechanism, driving it to rotate for coarse angle adjustment. The first linear motion mechanism is connected to the rotating mechanism, driving it to move linearly. This rotatable manipulator effectively solves the problems of limited movement paths and inability to adapt to complex routes for steel material handling in existing material handling trolleys after receiving steel.

The application discloses a device for switching coarse adjustment and fine adjustment and an optical equipment, and the device for switching coarse adjustment and fine adjustment comprises a fixed sleeve, an adjusting sleeve and an adjusting screw which are screwed from outside to inside in sequence, the adjusting screw is fixed with a load object, when the adjusting sleeve is locked with the fixed sleeve through a first locking part, the adjusting screw rotates relative to the adjusting sleeve, the adjusting screw can move along a transverse direction relative to the fixed sleeve, when the adjusting sleeve is unlocked with the fixed sleeve, the adjusting sleeve and the adjusting screw are locked through a second locking part, the adjusting sleeve rotates relative to the fixed sleeve, the adjusting screw can move along the transverse direction relative to the fixed sleeve, and the first inner thread and the second inner thread are set with a pitch difference, so that the fine adjustment and the coarse adjustment can be realized respectively when the first linear motion stroke and the second linear motion stroke of the adjusting screw for driving the load object to move along the transverse direction are converted, and the problem that the fast switching between the fine adjustment and the coarse adjustment cannot be realized in the existing optical precision mechanical structure is solved.

The utility model discloses a high pressure oil pipe wear testing machine, including testing machine main part, rubber pipe fixed component, polishing subassembly and drive assembly, rubber pipe fixed component is including rubber pipe fixed spare, polishing subassembly is located the top of rubber pipe fixed component, polishing subassembly at least includes slider assembly, mobile seat, connecting rod, weight and polishing block, the output of drive assembly is connected to one end of rubber pipe fixed component, makes drive assembly control rubber pipe fixed spare rotation, the other output of drive assembly is connected to mobile seat, makes drive assembly control mobile seat along the extension direction of slider assembly and moves, to make polishing block and rubber pipe fixed spare resist and along the extension direction of rubber pipe fixed spare to and fro movement, thus, drive mobile seat and drive polishing block along the accurate reciprocating linear motion of oil pipe length direction, realize the oil pipe on rubber pipe fixed component and carry out friction movement to guarantee the laboratory simulation of oil pipe high efficiency, accurate, reliable.

This invention provides a single-degree-of-freedom deployable light shield to address the technical problem that existing rigid deployable light shields, with their columnar or planar configurations, are difficult to adapt to the obliquely tapered configuration required for large observation fields. The single-degree-of-freedom deployable light shield provided by this invention innovatively couples two sets of equivalent cranks and equivalent connecting rods connected by elastic drive hinges to a planar multi-stage scissor mechanism. This transforms the linear motion of the planar multi-stage scissor mechanism in the plane into the linear motion of the slider required by the equivalent crank-slider mechanism. Simultaneously, the symmetrically arranged equivalent crank-slider mechanisms on both sides provide in-plane coupling constraints for the planar multi-stage scissor mechanism, limiting its multiple degrees of freedom and forming a single-degree-of-freedom deployable mechanism. This single-degree-of-freedom deployable mechanism, in conjunction with the elastic drive hinges and locking device, achieves the deployment of the obliquely tapered light shield using fewer driving force interfaces while ensuring stability during the deployment process.

This invention relates to the field of lithography technology, specifically to a hybrid series-parallel six-degree-of-freedom mechanism for nanoimprint lithography. It employs a top-down hybrid configuration: the upper part is a high-rigidity ZRxRy parallel micro-motion mechanism, providing linear motion in the vertical direction (Z) and rotational motion around the horizontal axis (Rx, Ry), exhibiting high rigidity, high precision, and high dynamic response; the lower part is a large-stroke XYRz series macro-motion mechanism, providing large-stroke linear motion in the X and Y directions within a plane and rotational motion around the vertical axis (Rz). The substrate support assembly is mounted on top of the parallel mechanism via a three-point connection surface integration. This invention combines the advantages of a large workspace of a series mechanism and the high precision and high rigidity of a parallel mechanism, providing an ideal precision motion solution for nanoimprint lithography equipment.

The utility model discloses a morchella planting device relates to morchella planting technical field, including roof and its multiple spray pipes, the roof bottom is installed with adjusting mechanism, the utility model has the advantages of (beneficial effect) the rotation of rotating rod drives drive rod and transmission rod to form continuous transmission chain, and then realizes the unified drive control of spray pipe distribution mechanism, and transmission rod realizes the synchronous force transmission of multiple points through the connection with a plurality of linkage rods, drives the smooth linear motion of multiple sliding blocks in slide rail, and each sliding block is translated with the same rate and displacement, guarantees the overall structure synchronism and the uniformity of spraying, and each sliding block is connected with a connecting rod and drives the synchronous movement of spray pipe, and multiple spray pipes are expanded with equal interval under linkage structure, can be flexibly adjusted according to different planting area, realizes the regular arrangement and global coverage of spray pipe, effectively promotes water resource utilization efficiency and the consistency of mushroom cultivation environment.

This invention provides a system and method for the automatic assembly of screws on large antenna arrays. The system includes an assembly mechanism, which includes an end effector; a linear motion mechanism, on which the assembly mechanism is mounted and moves along a first horizontal direction under the drive of the linear motion mechanism; a lifting mechanism, disposed on one side of the linear motion mechanism along a second horizontal direction; the antenna array can move vertically under the drive of the lifting mechanism; a vision mechanism, fixed to the end effector, for acquiring feature images of screw holes on the antenna array; and a control unit, electrically connected to the linear motion mechanism, the lifting mechanism, the assembly mechanism, and the vision mechanism. The control unit controls the linear motion mechanism and the lifting mechanism to adjust the relative position of the end effector and the screw holes on the large antenna array, and completes the precise alignment of the end effector and the screw holes based on the feature images of the screw holes acquired by the vision mechanism, so that the end effector completes the screw tightening assembly.

This invention relates to a turbulence-assisted dynamic magnetic field magnetorheological polishing device and method, belonging to the field of precision and ultra-precision machining technology. The device includes a base plate, a reciprocating moving mechanism, a rotary drive system, a magnetic field adjustment system, a turbulence generating component, a fluid circulation system, and a pipe fixing component. The turbulence generating component is a spiral head fitted onto a cylindrical magnet. The reciprocating moving mechanism drives the cylindrical magnet in reciprocating linear motion, and the rotary drive system drives the cylindrical magnet to rotate, forming a dynamic magnetic field. When the spiral head rotates, it generates uniform turbulence within the flow channel of the pipe wall, simultaneously creating a localized necking inside the pipe, increasing the flow velocity and pressure of the magnetorheological fluid, and enhancing the impact energy of the abrasive particles on the wall surface. The fluid circulation system achieves closed-loop circulation and maintains the activity of the magnetorheological fluid. This invention achieves uniform distribution of the magnetorheological fluid through turbulence generated by the rotation of the spiral head, and forms a dynamic magnetic field through the combined reciprocating and rotary motion of the cylindrical magnet. The magnetic field parameters can be adjusted in real time according to the polishing process, effectively improving the efficiency and uniformity of polishing the inner wall of pipes. It is suitable for ultra-smooth polishing of the inner walls of various slender pipes and precision fluid pipes.

The utility model relates to cold header technology field, the utility model discloses an embodiment provides a kind of cold header of automatic calibration punch, including cold header body, the side of the cold header body is provided with control cabinet, the inside of the cold header body is provided with moving box, the side of the moving box is installed with punch, the inside of the cold header body is fixedly connected with forming assembly, the inside of the cold header body is provided with calibration mechanism.In the utility model, start bidirectional motor, drive screw rod rotation, drive screw sleeve linear motion by limiting shaft, and then drive calibration plate to move, push punch to calibrate, simultaneously, connecting rod drives push rod extrusion stress bar, stress bar enters hydraulic cylinder, hydraulic pressure pushes out hydraulic rod, drives calibration arc plate to move, completes the overall calibration of punch, by the above technical solution, solve the technical problem that punch cannot be automatically calibrated in relevant technology.

The application discloses a self-positioning installation tool suitable for a cross joint bearing and a use method thereof, and belongs to the technical field of airplane assembly and manufacturing. A guide rod is sequentially sleeved with a stop nut, a locking sleeve, a fixing sleeve, a guide sleeve, a ball transmission part and a transmission nut. The ball transmission part converts the rotary motion of the transmission nut into axial linear motion. The guide sleeve bears the bearing. The fixing sleeve is in transition fit with a cross joint hole. The fixing sleeve and the guide sleeve are coaxial through cooperation. The stop nut abuts the locking sleeve against a cross joint part. The rotary transmission nut pushes the guide sleeve with the bearing to move to the center of the cross joint hole until the installation is completed. The application has the self-positioning function, and the bearing installation axis is coincident with the cross joint axis through coordination between structures. Meanwhile, the application solves the problems of bearing surface knocking and time and labor consuming in manual installation, reduces the difficulty of bearing installation, and effectively improves the work efficiency of operators.

This invention relates to the field of bearing riveting technology, specifically to a high-speed rail bearing cage installation and riveting equipment, including a base and a riveting system for assembling the bearing cage. The base is equipped with a fixing component for fixing the bearing outer ring. The fixing component includes a fixing seat and a sliding disc. The fixing seat is embedded in the base; the sliding disc is located inside the fixing seat, and a fixing arm is hinged to the sliding disc circumferentially. The top of each fixing arm contacts the top of the bearing outer ring; a sliding groove is formed in the middle of each fixing arm, and a locking rod that slides with the sliding groove is fixedly connected to the fixing seat circumferentially; both the fixing arm and the sliding groove are "<" shaped, and the fixing seat has an opening circumferentially for the movement of the fixing arm. This invention transforms linear motion into a circumferential fixing action through the sliding engagement of the fixing arm and the locking rod. Utilizing the specific shape design of the fixing arm and the sliding groove, the device can automatically adjust its clamping size according to the diameter of different bearing outer rings, thereby improving the applicability of the device.

This invention discloses an air conditioner, an air conditioner control method, a controller, and a storage medium. The air conditioner control method includes acquiring piezoelectric parameters collected by a piezoelectric sensor; and determining the current position of the compressor rotor based on a preset heat-shrink angle, the magnitude of the piezoelectric parameters, and their variation patterns. The piezoelectric sensor is positioned between the housing and the spring, preventing it from detaching even when the compressor is running at high speed. Furthermore, by observing the linear motion of the slider reflected by the piezoelectric parameters, the eccentric rotation of the piston is obtained, leading to the eccentric angle of the rotor, ultimately determining the rotor's current position. This invention achieves precise compressor control by acquiring piezoelectric parameters from a piezoelectric sensor, preventing control misalignment in the air conditioner and improving the user experience.